Matters involving physical computer components, circuitry and parts, as opposed to matters of software or computer programming

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129 views

Buzzing noise after reassembling iMac 20" 2009

I changed my iMac's hard drive to a SSD, following the iFix It guide. It all worked well, but after some hours using the machine, a buzzing noise appeared in the top left corner of it. I read in the ...
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1answer
304 views

Are you using a Sharp PN-K321 at 60Hz with a Late 2013 Mac Pro?

According to Apple's KBase article on "Using 4K displays", the Sharp PN-K321 monitor is supported at 60Hz in MST mode if you're connected via mini DisplayPort to DisplayPort. I've ordered a StarTech ...
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2answers
548 views

What is the hardware that has this serial number?

I have what appears to be an ear piece of some sort. Not sure. Serial number is 12731HOSXAP Model No A1221. What is it?
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1answer
357 views

Is my SMC damaged?

I have a Macbook Pro running 10.9.3 (13D65), Boot ROM Version: MBP55.00AC.B03 SMC Version (system): 1.47f2 The fans are always running at full rpm and the kernel task used to take up 90% of the ...
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1answer
926 views

Water damaged Iphone 5S

I have an IPhone 5S that I dropped and rolled into a puddle. Although I picked it up quickly and left it in rice all night the screen turned red (the screen isn't broken). I did some research and they ...
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1answer
229 views

Temperature logger compatible with Mac?

I'd like to measure the temperature in my fridge over a few days and graph the results, since I think the fridge may be starting to fail. So I'm looking for a cheap device which can run independently ...
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2answers
5k views

Headphones Jack not pluggable into Macbook-pro retina socket

I tried plugging in my apple headphone's jack into the socket, but I wasn't able to. Barely 70% of it goes in and the rest doesn't. There is no red-light coming out of the socket, but in the 'Sound' ...
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2answers
1k views

MacBook Pro retina, hardware repair - advice

A pair of weeks ago I spilled coffee on my MacBook Pro Retina 15'' (MacBookPro10,2, Early 2013), and now I just received the quote from the customer support centre. It's a 3rd party authorized ...
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2k views

iPhone 5s touch screen is extremely buggy after repair

My iPhone 5s fell out of my pocket and smashed the glass. Everything still worked perfectly. The touch screen was just as responsive as ever, and Touch ID worked fine. I had the glass (whole screen ...
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369 views

Can repeatedly touching the screen of a Macbook Air damage it?

I have a 2011 MacBook Air. Are there technical/physical reasons why it might be harmful to have the screen repeatedly touched or pressed? Why or why not?
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3answers
571 views

Is palmrest harmful for macbook pro 15 retina?

I recently got a new Macbook Pro 15 retina. I already have a keyboard cover on it, and earlier today I put a palmrest and trackpad cover on it as well. However, This Apple support website says that ...
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1answer
120 views

Will running the fans at maximum rpm all the time hurt the computer?

I installed Macs Fan Control and I like to make both fans in my mac work at top RPM available all the time. The sound does not annoy me at all and I really like that the computer runs cooler. Will ...
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68 views

Replaced Ipod video hard drive and battery, now won't start. Did I accidentally kill the hard drive?

As I said in the title, I've been trying to revive an old 5th gen ipod video. I replaced the hard drive, screen, and battery. At first it wouldn't boot, only giving sad ipod error. Then out of ...
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1answer
1k views

Mid 2012 Macbook Air Black Screen

Turned on my Macbook Air this morning and was greeted with a black screen, I could vaguely make out the login screen but when I entered my password the screen went completely black. I tried ...
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0answers
30 views

Mavericks GPS Receiver

Can anyone suggest an USB GPS receiver that has support for Mavericks 10.9? It would be nice if it has a replaceable antenna. I'm going to use it for reading data from within an application I'm ...
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1answer
1k views

Coffee spill on MacBook Pro Retina

I spilled half a cup of coffee (Nescafé, whole milk, water, no sugar) on the keyboard of my MacBook Pro Retina 15'' (MacBookPro10,2, Early 2013) Details that you can skip: It happened almost 3 days ...
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222 views

Second monitor randomly turns off and on

I have an iMac running 10.9.2 and sporadically the second monitor turns off then on. It's only off for a second or two. It's an Acer AL2216W. It's connected from display port to DVI.
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41 views

Pioneer DVD-ROM will not eject after some time of system usage

I'm having an odd issue where after my Mac Pro works for a certain amount of time (it seems variable), the drive will no longer seemingly be recognized. It shows up in the hardware profile for the ...
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1answer
12k views

How to run a performance benchmark on my MacBook Pro?

I need to run some sort of performance benchmark to measure how slow my MacBook Pro is (and why)—a 15" MacBook Pro (late 2008) with a 2.4 GHz Intel Core 2 Duo processor, 4 GB of DDR3 memory, and ...
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1answer
4k views

My iPhone charger emits a little very high pitch noise when my iPhone is charged… is it normal?

When my iPhone 5s is fully charged my charger (which is the official one), emits a super little noise that is very high pitch (I would say nearly an ultrasound...). Is it normal ?
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2answers
3k views

Will a 1.8GHz MacBook Air be much faster than a 1.3GHz model?

I am looking to purchase a refurbished Macbook Air from Apple's refurbished store. When comparing the models there are two I am looking at. The difference between the two is slight but one of the ...
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0answers
355 views

How is swap on mid-2013 MacBook Air w/ PCIe SSD?

There appears to be confusing and incomplete information about the PCIe SSDs in mid-2013 MacBook Air 11" and 13" (especially the 128GB models), where a different queue depth may result in different ...
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5answers
7k views

Connecting a displayport monitor to my Mac Mini (late 2012) using the Thunderbolt port what is the max resolution?

I have a 27" ASUS PB278Q display equipped with a display port, the monitor has a resolution of 2560x1440. If I connect to my thunderbolt port using a mini displayport to displayport cable will it ...
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1answer
30 views

Does having to turn on an iPhone by holding power and home indicate the device is dying?

I had to press and hold the Power and Home buttons because my iPhone shut off and wouldn't turn on through normal measures. When I pressed the Power and Home buttons for 20 seconds the iPhone powered ...
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5answers
15k views

Has Apple fixed the iPhone 5 sleep/wake button problem?

There is a well-documented design and/or materials defect in at least some iPhone 5 devices that causes the sleep/wake button (sometimes also referred to as the "lock" button or "power" button) to ...
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2answers
446 views

2008 MacBook (A1181) won't boot from battery

I have a 2008 13" (2.4GHz) white MacBook that will only boot from mains power. If you attempt to boot from the battery it's as if it's not even connected. Once you get even past the initial startup ...
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2answers
610 views

Watt and voltage for DIY iPhone charger

I'm working on making a simple solar to USB charger for my iPhone 5s, and I was wondering if the watt/voltage mattered for the solar panel I'm using. I know the product can handle the higher values of ...
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1answer
382 views

Can I upgrade the size of my Fusion Drive from 1TB to 3TB?

I bought a new iMac last summer and went with the 1TB Fusion drive. It works well, but is already full. Is it possible to upgrade the size of the fusion drive myself? Can I buy a 3TB internal drive ...
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1answer
120 views

How do I make sure the firmware for my newly installed SSD is up to date for Mac OSX? Note: cannot use optical drive

Installed a 2nd HD (SSD) onto my 15" MBP and wasn't sure how to upgrade the firmware. SanDisk 120 GB SSD. Anyone know?
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3answers
10k views

Does anyone know any good Diagnostic tools? [closed]

Does anyone know any good diagnostic tools for Mac? something inline with Apple Hardware Test, Apple Service Diagnostics, tech tool pro, preferably more in depth perhaps something low level, ...
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1answer
27 views

Is LCD digitizer different on iPad 2 for different languages?

I have an iPad 2 from Japan as like to have ability to input Japanese characters. When recently trying to replace the screen and Wi-Fi antennae I managed to damage the LCD. Before I go out and buy a ...
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0answers
305 views

Configuring SSD over-provisioning on Mac OSX

I'm in early investigation stages of adding a SSD drive to my MacPro. Fragmentation problems can lead to serious performance problems on an SSD. There are a couple answers to this problem: TRIM - ...
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71 views

Volume won't turn down on 2009 Macbook Pro 5,5

I just replaced the hard drive, upgraded the memory, and installed Snow Leopard to upgrade to Mavericks. Now, the volume won't turn down, but I know the key is being pressed because the volume level ...
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1answer
84 views

Why is My iPhone's Lock Screen Wider than Usual? Serious iPhone issue

Today on my way home, I accidentally dropped my iphone with the back facing the ground from about 1.2 metres in the air. All other iphone functions are not damaged except for the screen. My phone has ...
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3answers
4k views

Durability of plastic screen on latest Retina Macbook Pro?

I am in need of a new MBP. I do development (Ruby/Rails) on my mid 2009 13" MPB running Mavericks, and I find it is getting old enough that I'm getting some lag when I'm running DB and web server, ...
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1answer
18k views

iPhone Cable or Accessory Not Certified

This isn't a coding question, but it is an issue that affects my ability to develop iPhone apps. Beginning this morning, I began seeing the message "The cable or accessory is not certified and may not ...
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1answer
136 views

Normal operating temperatures and fan speeds for mid-2006 iMac?

I have an aging, but still functional mid-2006 iMac at home. Last night, my wife was in the basement and said she smelled a faint odor of something burning, she said it smelled like it might be ...
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0answers
47 views

Macbook Air's trackpad on trains

Is there any known issue with using a laptop's trackpad while on a moving train, i.e. is the EM field expected to interfere? I ask because often when I use my Apple Macbook Air 1.1 (Early 2008) ...
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1answer
71 views

Is this external DVD drive Mac compatible?

I am thinking of purchasing a Mac Mini but the lack of optical drive, makes me hesitant. I have an external super-multi DVD rewriter by Liteon (Model GP08LU10). Will this portable drive be compatible ...
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2answers
555 views

How to clean iMac screen?

I've messed up and used a generic LCD cleaning product on a glass iMac screen. According to the label it consists of distilled water and surfactants (or surface-active components, don't know how to ...
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1answer
5k views

iPhone 5 overheating and battery drains very quickly

My iPhone is always heated up even if I'm not using it. When I charge it, it heats up even more and battery drains very quickly. Its battery is currently fully drained for more than half an hour and ...
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2answers
6k views

OSX system and installation disk won't boot

Problem: I cannot boot into system nor can I boot to the installation disk. Errors I get in verbose mode: BSD root: disk0s2, major 14, minor 2 disk0s2: media is not present 0 [Level 3] [ReadUID ...
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2answers
636 views

What are the six openings on the bottom of the MacBook Pro for?

I have a 2013 Retina MacBook Pro. I have noticed there are six slits, three on each side, on the base of the laptop. What are these for, and if I were to use them as a place to clip something, ...
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1answer
4k views

iPhone 4S logic board replacement

I have damaged my iPhone 4S. A weight was dropped on it and it stopped working instantly. I've opened the back and it appears the bottom of the battery, the speaker and charger point have been ...
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2answers
3k views

What happens at the user/OS level when an SSD finally wears out?

I have been reading up on SSD technology and don't know of any first hand reports on what happens when an SSD eventually fails due to over use. I am most interested in the SSD that apple includes as a ...
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211 views

LVDS (LCD data) cable replacement

The video on my mid-2009 13" Macbook Pro freezes and becomes noisy sometimes, depending on the position of the lid, pressure, etc. I opened it, and could reproduce the behavior by poking at the LVDS ...
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3answers
7k views

convert 30 pin docks for lightning devices

I recently upgraded from an Iphone 4 to a 5s. I have 4 different docks that worked with all my previous Iphones and Ipods - I just swapped out a cheap plastic holder around the connector that could ...
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1answer
11k views

Can I boot Mac from an external hard drive (internal hard drive+hard drive closure)

Model: Macbook Pro 2010 mid OS: OS X 10.9 Hard Drive: WD5000BPKT 500GB For some reason I need to change my perfectly working internal bootable drive to external bootable drive. I took out my ...
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2answers
400 views

Memory tester for Snow Leopard

Can somebody suggest a memory tester for Snow Leopard (10.8)? Command line or other doesn't matter, ideally something that doesn't have to be installed though (doesn't change the machine) and just ...
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1answer
162 views

MacBookPro Ram Frequency

i have a MacBookPro 5,5 (Intel Core 2 Duo 2,26GHz) with Snow Leopard. Actualy i've 2 ram block of 2GB (total 4GB) of DDR3 at 1067MHz. Now i'm buying 2 ram bloc of 8GB of DDR3 but at 1600MHz, could ...